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adding text from a file to the top of the file

 
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# 1  
Old 04-09-2009
adding text from a file to the top of the file
Hi all,

I need a include a text from the file and include it in the top of the other file..

i.e file 1 contains
AAA
BBB
CCC
DDD
EEE
file2 contains
333
44
23
452
54235
232341
4321414

Now i need to insert the text from file1 to file2 at the top of the file2.

The output file should contain:

AAA
BBB
CCC
DDD
EEE
333
44
23
452
54235
232341
4321414

Please help on this...
# 2  
Old 04-09-2009
Code:
cat file1 file2 > newfile

# 3  
Old 04-09-2009
Hi Zaxxon,

Thanks for your quick reply.
The problem is I should not use the new file. In file2 itself the contents of file1 have to be included...so usage of new file is not allowed here....
# 4  
Old 04-09-2009
Why that? Is there no space in the filesystems left? I have only solutions with at least having a temp file in the process, that you can mv to the filename you desire.
Else you might want to write a C program or maybe it could be done with Perl, idk.
# 5  
Old 04-09-2009
Maybe it is acceptable for you to have the new contents in file1 instead of file2 which would make it very easy of course:

Code:
cat file2 >> file1

Edit:

Maybe sed -i is an option for you.
# 6  
Old 04-09-2009
I am using kornshell...when i give sed -i '1i $file1' > file2

Its showing illegal option -i...or sed command garbled...
# 7  
Old 04-09-2009
Code:
printf '$\nr file2\nw! file2\nq!' | ex - file1

 
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